Skip to main content

Table 1 The number of children and their BMI stratified by age and sex

From: Dental caries is negatively correlated with body mass index among 7-9 years old children in Guangzhou, China

Age(y)

BMI (Mean ± SD)

N

Boys

N

Girls

N

Overall

7

5892

15.7 ± 2.1

4825

14.9 ± 1.7

10717

15.4 ± 2.0

8

5942

16.3 ± 2.5

5060

15.4 ± 2.1

11002

15.9 ± 2.4

9

5849

16.9 ± 2.9

4893

16.0 ± 2.4

10742

16.5 ± 2.7

Overall

17683

16.3 ± 2.6

14778

15.4 ± 2.1

32461

15.9 ± 2.4

  1. BMI: body mass index; SD: standard deviation